Drilldown: Patents

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Patents > Tech fields: flapping & Patent agent: None & Number of figures: 5-13

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None (4) · Hermann Hassenbach (4) · Franz Xaver Wels (2) · Stefan Hunyor de Visoly (2) · Boo Henning Wallin (2) · Konstantin Danilewsky (2) · Félix Michau (2) · Gustav Lilienthal (2)
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None (8) · Hermann Hassenbach (4) · Franz Xaver Wels (2) · Boo Henning Wallin (2) · Felix Michau (2) · Gustav Lilienthal (2)
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